Vending machine



FIG. 1 is a front elevational view of our new design for a vending machine;

FIG. 2 is a right side elevational view of the vending machine of FIG. 1; and,

FIG. 3 is a front, top and right side perspective view of the vending machine of FIG. 1. 

CLAIM The ornamental design for a vending machine, as shown and described. 